Automotive shredder residue (ASR) composed of shredded non-metal parts of demolished cars may meet definition of hazardous debris. Mixture of debris and non-debris can be considered debris if debris is greater than 50% of mixture and non-debris hazardous waste is not intentionally mixed in to avoid waste treatment standards, act of recombining ASR waste streams from same process is not impermissible dilution (SEE ALSO: 64 FR 25408, 25411; 5/11/99).